Add new adb dpm (= DevicePolicyManager) command

Adds new adb command to execute DevicePolicyManager tasks. First subcommand
allows us to set a device owner on a provisioned device (provided no accounts
are associated with the device). This is required as GTS tests run on provisioned
devices. We plan to add more subcomands required for new GTS tests, such as the
ability to create a managed profile.

Bug: 17312478, 17316711
Change-Id: I2613178ea82a6c6268e7f8012e74c4a852fea0d4

1 files changed, 77 insertions, 0 deletions

diff --git a/cmds/dpm/src/com/android/commands/dpm/Dpm.java b/cmds/dpm/src/com/android/commands/dpm/Dpm.java
new file mode 100644
index 000000000000..724b3121bfdb
--- /dev/null
+++ b/cmds/dpm/src/com/android/commands/dpm/Dpm.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.commands.dpm;
+
+import android.app.admin.IDevicePolicyManager;
+import android.content.Context;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+
+import com.android.internal.os.BaseCommand;
+
+import java.io.PrintStream;
+
+public final class Dpm extends BaseCommand {
+
+    /**
+     * Command-line entry point.
+     *
+     * @param args The command-line arguments
+     */
+    public static void main(String[] args) {
+      (new Dpm()).run(args);
+    }
+
+    private static final String COMMAND_SET_DEVICE_OWNER = "set-device-owner";
+
+    private IDevicePolicyManager mDevicePolicyManager;
+
+    @Override
+    public void onShowUsage(PrintStream out) {
+        out.println("usage: adb shell dpm [subcommand] [options]\n" +
+                "\n" +
+                "usage: adb shell dpm set-device-owner <PACKAGE>\n" +
+                "  <PACKAGE> an Android package name.\n");
+    }
+
+    @Override
+    public void onRun() throws Exception {
+        mDevicePolicyManager = IDevicePolicyManager.Stub.asInterface(
+                ServiceManager.getService(Context.DEVICE_POLICY_SERVICE));
+        if (mDevicePolicyManager == null) {
+            showError("Error: Could not access the Device Policy Manager. Is the system running?");
+            return;
+        }
+
+        String command = nextArgRequired();
+        switch (command) {
+            case COMMAND_SET_DEVICE_OWNER:
+                runSetDeviceOwner(nextArgRequired());
+                break;
+            default:
+                showError("Error: unknown command '" + command + "'");
+        }
+    }
+
+    private void runSetDeviceOwner(String packageName) throws RemoteException {
+        if (mDevicePolicyManager.setDeviceOwner(packageName, null)) {
+            System.out.println("Device owner set to package " + packageName);
+        } else {
+            showError("Error: Can't set package " + packageName + " as device owner.");
+        }
+    }
+}
\ No newline at end of file